Advertisements
Advertisements
प्रश्न
How does the wave pattern of a loud note differ from a soft note? Draw a diagram.
उत्तर १
उत्तर २
The loudness of a sound wave is determined by its amplitude; it is proportional to the square of the amplitude. Therefore, the louder sound corresponds to the wave of larger amplitude.
संबंधित प्रश्न
An enemy plane is at a distance of 300 km from a radar. In how much time the radar will be able to detect the plane? Take velocity of radio waves as 3 x 108 ms-1
What do you understand by the loudness of sound?
The quality of a sound depends on the amplitude of wave.
Why is the loudness of sound heard by a plucked wire increased when mounted on a sound board?
Figure shows four waves A, B, C, and D
Name the wave which shows
(a) a note from a musical instrument,
(b) a soft note
(c) a shrill note.
If the amplitude of a wave is doubled, what will be the effect on its loudness?
Explain the following and illustrate your answer by drawing appropriate diagram:
Quality of a musical note.
What is meant by the ‘loudness’ of a sound? How is it related to the intensity?
A 0.6 m long stretched wire is made to vibrate in two different modes as shown in figure
(a)
(b)
(i) If the frequency of the note produced in (b) is n, what is the frequency in case (a)?
(ii) In which case (a) or (b), is the note louder? Give reasons.
(iii) In which case is the pitch higher? Give reason.
